Physics Magnetism's subatomic rootsThe modern world -- with its ubiquitous electronic devices and electrical power -- can trace its lineage directly to the discovery, less than two centuries ago, of the link between electricity and magnetism. But while engineers have harnessed electromagnetic forces on a global scale, physicists still struggle to describe the dance between electrons that creates magnetic fields. |
Dietary Medicine Americans struggle with long-term weight lossOnly about one in every six Americans who have ever been overweight or obese loses weight and maintains that loss, according to Penn State College of Medicine researchers. |
Atmosphere Environment Earth Science NASA hurricane researchers eye Earl's eyeHurricane Earl, currently a Category Two storm on the Saffir-Simpson scale with maximum sustained winds of 100 knots (115 miles per hour), continues to push relentlessly toward the U.S. |
Oceanography Earth Science Earth from space: Giant iceberg enters Nares Strait |